摘要
磨蚀是一种常见的材料失效形式 ,陶瓷涂层技术是解决磨蚀问题的重要途径之一。介绍了燃烧合成涂层技术的原理及制备陶瓷内衬复合钢管的工艺 ,同时对涂层的结构、组成及性能进行了研究。采用静态燃烧合成表面涂层技术制备了陶瓷内衬复合钢管及弯头 ,其涂层主要由主晶相α Al2 O3 及铁铝尖晶石相、莫来石相组成。反应体系中的添加剂SiO2 可以有效地提高熔体的流动性 ,使陶瓷的凝固、结晶过程得到进一步控制 ,有助于减少孔隙及提高陶瓷涂层的致密度。现场应用试验表明这种涂层具有较好的耐磨蚀性能 ,可大大延长设备的使用寿命。
Wear is a common failure mode of materials, and the ceramic coating is an important way of resistance to wear. In recent years,the static combustion synthesis (SCS) coating method has become a novel surface technology. The principles of SCS coating technology and the fabricating process for manufacturing ceramic-lined pipe were introduced. The SCS coating technology has been used to produce ceramic-metal composite steel pipe and elbow. The components of ceramic coating include α-Al_2O_3, FeO·Al_2O_3 and 3Al_2O_3·2SiO_2. The additive SiO_2 improved the fluidity of ceramic and reduced pores on the surface of coating. In addition,SiO_2 was helpful to control the process of ceramic freeze and crystal. The application results show that the synthesized coating has a good wear resistance, and the service life equipment can be elongated.
出处
《石油大学学报（自然科学版）》
CSCD
北大核心
2004年第1期70-73,76,共5页
Journal of the University of Petroleum,China(Edition of Natural Science)
基金
中国石油天然气集团公司科学研究与开发项目 (990 816-0 3 )
关键词
陶瓷涂层技术
燃烧合成涂层技术
复合钢管
莫来石
静态法
防腐措施
static method
combustion synthesis coating technique
ceramic-lined composite steel pipe
ceramic coating
metallographic structure
wear resistance
